Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 4 - Section 4.2 - The Parallelogram and Kite - Exercises - Page 186: 37



Work Step by Step

m$\angle$B=360-m$\angle$A-m$\angle$C-m$\angle$D m$\angle$B=360-30-30-30 m$\angle$B=270$^{\circ}$
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